3.Change the manual regulation ratio in software to 1.9V and start recording the time using the timer.V.3 71
ENGINEERING TECHNOLOGY DEPARTMENT
V.3 72
a. Go to your computer, open Gunt software, and switch to the "RT 634 Pressure Control
Demonstration Unit" mode by clicking the arrows in the dialogue box as shown in Figure 6.4 (a). b. Click on "Charts" button as shown in Figure 6.4 (b).c. Set the "Software Controller" to "Manual" as shown in Figure 6.4 (c). d. In the "Manual Regulation Ratio" box, the maximum and minimum values that can be fed are 0V
to 10V which corresponds to the 0% to 100% opening of electrical proportional valve (9) as shown
in Figure 6.4 (d).For this purpose, a step in control value is applied to the system in the non-regulated mode
and the system's response observed.Fully close the extraction valve (8) by turning it clockwise and then open it less than 1/4th by turning
the knob 25 degrees in counter clockwise direction.Figure 6.4 Gunt Software Interface with steps
7.Ask instructor to check.Procedure
3.1.1.2.3.4.5.6.8.9.